I've known some Libertarians that were poor as churchmice. "You earn it, you keep it" seems fair on the face of it. Then you ask about the problem of the commons. Then you ask about the difference between taking $6,000 a year from someone who makes $30,000, and taking $50k a year from someone who makes $200k.

Then they tell you to fuck off, or (in the case of my friends) remind you of their drug policy positions.

Libertarianism is a great political philosophy, until you think about it a little.